mfd: Add new ab8500 GPADC driver

AB8500 GPADC driver used to convert Acc and battery/ac/usb voltage

Signed-off-by: Arun Murthy <arun.murthy@stericsson.com>
Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Acked-by: Mattias Wallin <mattias.wallin@stericsson.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

1 files changed, 28 insertions, 0 deletions

diff --git a/include/linux/mfd/ab8500-gpadc.h b/include/linux/mfd/ab8500-gpadc.h
new file mode 100644
index 000000000000..9f6cc26bc734
--- /dev/null
+++ b/include/linux/mfd/ab8500-gpadc.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2010 ST-Ericsson SA
+ * Licensed under GPLv2.
+ *
+ * Author: Arun R Murthy <arun.murthy@stericsson.com>
+ */
+
+#ifndef _AB8500_GPADC_H
+#define _AB8500_GPADC_H
+
+/* GPADC source: From datasheet(ADCSwSel[4:0] in GPADCCtrl2) */
+#define BAT_CTRL        0x01
+#define BTEMP_BALL      0x02
+#define MAIN_CHARGER_V  0x03
+#define ACC_DETECT1     0x04
+#define ACC_DETECT2     0x05
+#define ADC_AUX1        0x06
+#define ADC_AUX2        0x07
+#define MAIN_BAT_V      0x08
+#define VBUS_V          0x09
+#define MAIN_CHARGER_C  0x0A
+#define USB_CHARGER_C   0x0B
+#define BK_BAT_V        0x0C
+#define DIE_TEMP        0x0D
+
+int ab8500_gpadc_convert(u8 input);
+
+#endif /* _AB8500_GPADC_H */